$ query “AS266475” --type=asn → 1 result(s)
AS266475 · SEM-FRONTEIRAS-TELECOMUNICACOES
SEM FRONTEIRAS TELECOMUNICACOES LTDA
AS266475 is run by SEM FRONTEIRAS TELECOMUNICACOES LTDA and is a residential access provider, established in Brazil in 2017. The system announces 7 168 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Australia and Brazil.
Basic Information
- Country
- 🇧🇷 Brazil
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- January 10, 2017
- Last Changed
- March 04, 2026
- Last Seen
- July 26, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 26 / 4
- IPv6 Prefixes (raw / aggregated)
- 14 / 1
- IPv4 Addresses
- 7 168
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇺🇸 United States (12 288 IPs), 🇦🇺 Australia (1 984 IPs), 🇧🇷 Brazil (64 IPs)
- Prefix Changed
- April 01, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 7 168 total (0.01%)
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Peers
- 28 networks exchanging traffic without transit
- Downstream Customers
- 3 downstreams buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 38 unique BGP neighbors
- Reach
- 3 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (26 total)
- 38.191.48.0/20 (4 096 addresses (/20 prefix))
- 38.9.112.0/22 (1 024 addresses (/22 prefix))
- 38.56.72.0/22 (1 024 addresses (/22 prefix))
- 170.83.172.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (14 total)
- 2804:3868::/32